Ruthenium-Catalyzed Regioselective [2 + 2 + 2] Cyclotrimerization of Trifluoromethyl Group Substituted Internal Alkynes

2011 ◽  
Vol 13 (5) ◽  
pp. 1001-1003 ◽  
Author(s):  
Motoi Kawatsura ◽  
Mitsuaki Yamamoto ◽  
Junya Namioka ◽  
Koji Kajita ◽  
Takuya Hirakawa ◽  
...  
Keyword(s):  
Trifluoromethyl Group ◽  
Internal Alkynes

Iron-catalyzed [2 + 2 + 2] cycloaddition of trifluoromethyl group substituted unsymmetrical internal alkynes

RSC Advances ◽  
2014 ◽  
Vol 4 (78) ◽  
pp. 41353-41356 ◽  
Author(s):  
Maki Minakawa ◽  
Tomoki Ishikawa ◽  
Junya Namioka ◽  
Souichirou Hirooka ◽  
Biao Zhou ◽  
...  
Keyword(s):  
High Yield ◽  
Trifluoromethyl Group ◽  
Benzene Derivatives ◽  
Internal Alkynes ◽  
Excellent Selectivity

Iron-catalyzed [2 + 2 + 2] intermolecular cycloaddition of trifluoromethyl group substituted unsymmetrical internal alkynes afforded the corresponding trifluoromethyl group substituted benzene derivatives in high yield with excellent selectivity.

ChemInform Abstract: Ruthenium-Catalyzed Regio- and Stereoselective Addition of Carboxylic Acids to Aryl and Trifluoromethyl Group Substituted Unsymmetrical Internal Alkynes.

ChemInform ◽  
2011 ◽  
Vol 42 (39) ◽  
pp. no-no
Author(s):  
Motoi Kawatsura ◽  
Junya Namioka ◽  
Koji Kajita ◽  
Mitsuaki Yamamoto ◽  
Hiroaki Tsuji ◽  
...  
Keyword(s):  
Carboxylic Acids ◽  
Trifluoromethyl Group ◽  
Stereoselective Addition ◽  
Internal Alkynes

ChemInform Abstract: Iron-Catalyzed [2 + 2 + 2] Cycloaddition of Trifluoromethyl Group Substituted Unsymmetrical Internal Alkynes.

ChemInform ◽  
2015 ◽  
Vol 46 (13) ◽  
pp. no-no
Author(s):  
Maki Minakawa ◽  
Tomoki Ishikawa ◽  
Junya Namioka ◽  
Souichirou Hirooka ◽  
Biao Zhou ◽  
...  
Keyword(s):  
Trifluoromethyl Group ◽  
Internal Alkynes

Ruthenium-Catalyzed Regio- and Stereoselective Addition of Carboxylic Acids to Aryl and Trifluoromethyl Group Substituted Unsymmetrical Internal Alkynes

2011 ◽  
Vol 13 (12) ◽  
pp. 3285-3287 ◽  
Author(s):  
Motoi Kawatsura ◽  
Junya Namioka ◽  
Koji Kajita ◽  
Mitsuaki Yamamoto ◽  
Hiroaki Tsuji ◽  
...  
Keyword(s):  
Carboxylic Acids ◽  
Trifluoromethyl Group ◽  
Stereoselective Addition ◽  
Internal Alkynes

ChemInform Abstract: Ruthenium-Catalyzed Regioselective [2 + 2 + 2] Cyclotrimerization of Trifluoromethyl Group Substituted Internal Alkynes.

ChemInform ◽  
2011 ◽  
Vol 42 (23) ◽  
pp. no-no
Author(s):  
Motoi Kawatsura ◽  
Mitsuaki Yamamoto ◽  
Junya Namioka ◽  
Koji Kajita ◽  
Takuya Hirakawa ◽  
...  
Keyword(s):  
Trifluoromethyl Group ◽  
Internal Alkynes

Highly diastereo- and enantioselective organocatalytic synthesis of trifluoromethylated erythritols based on the in situ generation of unstable trifluoroacetaldehyde

2021 ◽  
Author(s):  
Kazumasa Funabiki ◽  
Toshiya Gotoh ◽  
Ryunosuke Kani ◽  
Toshiyasu Inuzuka ◽  
Yasuhiro Kubota
Keyword(s):  
Trifluoromethyl Group ◽  
In Situ Generation

A highly diastereo- and enantioselective organocatalytic method to synthesise erythritols bearing a trifluoromethyl group has been investigated.

Ruthenium(II)-Catalyzed Intermolecular Cyclo(co)trimerization of 3-Halopropiolamides with Internal Alkynes

2018 ◽  
Author(s):  
Anthony P. Silvestri ◽  
James S. Oakdale
Keyword(s):  
Ambient Temperature ◽  
Internal Alkynes

<div>A highly chemo- and regioselective cyclo(co)trimerization between 3-halopropiolamides and symmetrical internal alkynes is reported. The reaction is catalyzed by Ru(II)-complexes and proceeds at ambient temperature in ethanol to deliver fully substituted dihalogenated isophthalamides. 1,4-Butynediol was found to undergo spontaneous lactonization with halopropiolamides after trimerization to provide 5,7-dihalo-phthalide products.</div>

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